influences directly effect behaviors, behaviors affect energy balance, energy balance affects body weight, fat and distribution
*biological/demographic: age, sex, SES
*psychological: beliefs, self-efficacy, body image, motivation
*Social/cultural: social support, family factors
*Organizational: practices, norms and policies at work sites, schools, etc.
*Physical environment: access to foods and recreational facilities, urban design
*Policies/incentives: cost of food, physical activity and sedentary behaviors
*40% genetics and 60% environment*